#!/usr/bin/env bash

# Copyright (c) Open Enclave SDK contributors.
# Licensed under the MIT License.

# Get path of the oelldb script
# See https://mywiki.wooledge.org/BashFAQ/028 for complexities involved
# in determining location of a bash script. ${BASH_SOURCE}, though not perfect,
# is an acceptable solution for oelldb.
# readlink provides additional benefit in getting the absolute path
# to the script directory for systems where BASH_SOURCE is only relative.
OE_LLDB_DIR=$(dirname "$(readlink -f "${BASH_SOURCE[0]}")")

# Get the path to the debugger libraries relative to the oegdb path.
# Normalize the path by cd-ing and doing a pwd -P.
OE_LLDB_LIB_DIR=$(cd "$OE_LLDB_DIR/../lib/openenclave/debugger" || exit; pwd -P)

OE_LLDB_PLUGIN_DIR=$OE_LLDB_LIB_DIR/lldb-sgx-plugin
OE_LLDB_PTRACE_PATH=$OE_LLDB_LIB_DIR/liboe_ptrace.so

export PYTHONPATH=$OE_LLDB_PLUGIN_DIR
export LD_PRELOAD=$OE_LLDB_PTRACE_PATH

# Use latest version of installed lldb.
for v in "-13" "-12" "-11" "-10" "-9" "-8" ""; do
    if [ -n "$(command -v lldb$v)" ]; then
	lldb$v -o "command script import lldb_sgx_plugin" "$@"
	exit "$?"
    fi
done
echo "oelldb requires lldb-8 or above."
exit 1
